<template>
    <div class="app-container">
      <!-- 工具条 -->
      <div class="tools-div">
        <el-button type="success" icon="el-icon-plus" size="mini" @click="add" :disabled="$hasBP('bnt.processType.add')  === false">添 加</el-button>
      </div>
      <!-- banner列表 -->
      <el-table
        v-loading="listLoading"
        :data="list"
        stripe
        border
        style="width: 100%;margin-top: 10px;"
      >
        <el-table-column
          type="selection"
          width="55"
        />
        <el-table-column
          label="序号"
          width="70"
          align="center"
        >
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>
        <el-table-column prop="name" label="类型名称"/>
        <el-table-column prop="description" label="描述"/>
        <el-table-column prop="createTime" label="创建时间"/>
        <el-table-column prop="updateTime" label="更新时间"/>
        <el-table-column label="操作" width="200" align="center">
          <template slot-scope="scope">
            <el-button type="text" size="mini" @click="edit(scope.row.id)" :disabled="$hasBP('bnt.processType.update')  === false">修改</el-button>
            <el-button type="text" size="mini" @click="removeDataById(scope.row.id)" :disabled="$hasBP('bnt.processType.remove')  === false">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页组件 -->
      <el-pagination
        :current-page="page"
        :total="total"
        :page-size="limit"
        :page-sizes="[5, 10, 20, 30, 40, 50, 100]"
        style="padding: 30px 0; text-align: center;"
        layout="sizes, prev, pager, next, jumper, ->, total, slot"
        @current-change="fetchData"
        @size-change="changeSize"
      />
      <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
        <el-form ref="flashPromotionForm" label-width="150px" size="small" style="padding-right: 40px;">
          <el-form-item label="类型名称">
            <el-input v-model="processType.name"/>
          </el-form-item>
          <el-form-item label="描述">
            <el-input v-model="processType.description"/>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="dialogVisible = false" size="small">取 消</el-button>
          <el-button type="primary" @click="saveOrUpdate()" size="small">确 定</el-button>
        </span>
      </el-dialog>
    </div>
  </template>
  <script>
  import api from '@/api/process/processType'
  
  const defaultForm = {
    id: '',
    name: '',
    description: ''
  }
  export default {
    data() {
      return {
        listLoading: true, // 数据是否正在加载
        list: null, // banner列表
        total: 0, // 数据库中的总记录数
        page: 1, // 默认页码
        limit: 10, // 每页记录数
        searchObj: {}, // 查询表单对象
        dialogVisible: false,
        processType: defaultForm,
        saveBtnDisabled: false
      }
    },
    // 生命周期函数：内存准备完毕，页面尚未渲染
    created() {
      this.fetchData()
    },
    // 生命周期函数：内存准备完毕，页面渲染成功
    mounted() {
    },
    methods: {
      // 当页码发生改变的时候
      changeSize(size) {
        console.log(size)
        this.limit = size
        this.fetchData(1)
      },
      // 加载列表数据
      fetchData(page = 1) {
        this.page = page
        api.getPageList(this.page, this.limit, this.searchObj).then(response => {
          this.list = response.data.records
          this.total = response.data.total
          // 数据加载并绑定成功
          this.listLoading = false
        })
      },
      // 重置查询表单
      resetData() {
        console.log('重置查询表单')
        this.searchObj = {}
        this.fetchData()
      },
      // 根据id删除数据
      removeDataById(id) {
        this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => { // promise
          // 点击确定，远程调用ajax
          return api.removeById(id)
        }).then((response) => {
          this.fetchData(this.page)
          this.$message.success(response.message)
        }).catch(() => {
          this.$message.info('取消删除')
        })
      },
      add() {
        this.dialogVisible = true
        this.processType = Object.assign({}, defaultForm)
      },
      edit(id) {
        this.dialogVisible = true
        this.fetchDataById(id)
      },
      fetchDataById(id) {
        api.getById(id).then(response => {
          this.processType = response.data
        })
      },
      saveOrUpdate() {
        this.saveBtnDisabled = true // 防止表单重复提交
        if (!this.processType.id) {
          this.saveData()
        } else {
          this.updateData()
        }
      },
      // 新增
      saveData() {
        api.save(this.processType).then(response => {
          this.$message.success(response.message || '操作成功')
          this.dialogVisible = false
          this.fetchData(this.page)
        })
      },
      // 根据id更新记录
      updateData() {
        api.updateById(this.processType).then(response => {
          this.$message.success(response.message || '操作成功')
          this.dialogVisible = false
          this.fetchData(this.page)
        })
      }
    }
  }
  </script>